Samuel is constructing a triangle ABC with AB = 8 cm, BC = 10 cm and AC = 7 cm. To do this, he draws a line segment BC of length 10 cm and then an arc with B as centre, and radius 8 cm.
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Answer:
here's the answer to your question about
Inverse of y=9-x²; you just replace x by y and y by x: x=9-y².
And the value of y: y² = 9-x and y =√(9 - x) [this is the inverse function]
f⁻¹(x) = √(9-x): CONDITION : (9-x) >=0, that means x< or = 9
Answer as per your problem:
The inverse of the function y = 9 - x 2, for all values x ≥ 3, is _____y =√(9 - x), where x can take values _____x<=9.
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